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采用可视化单液滴反应器观察硫酸黑液在400～800℃范围内的热解膨胀行为，判断较低和较高温度下的不同膨胀特性。测定了3种硫酸盐黑液在450～850℃范围内热解永久性气体中H2、CO、CO2和CH4相对含量，考察热解气体中大量H2的主要来源。热解导致的总硫释放量通过对热解焦的分析得到，并用碘量法确定了气相中H2S含量。结果表明：高于500℃时，黑液膨胀至最大体积后将开始收缩，而低于此温度则膨胀至最大...
BEHAVIOUR OF CARBOHYDRATE-BASED MATERIAL IN BLACK LIQUOR DURING HEATING
nonwood polysaccharides carbohydrates
2009/10/13
One industrial softwood kraft black liquor was heat-treated (at 175 ?C and 190 ?C for 15?60 min) together with laboratory-made soda-AQ (wheat straw and reed canary grass) and kraft (reed canary grass)...